Rare variety with double lions' tails, with palm leaves with a three-leaf branch above the coat of arms of Danzig.
Issue with characteristic and rarer royal portrait of later type, also occurring in the 1650 vintage, minted at the Danzig mint under the management of Gerhard Rogge, with his initials G-R under the lions.
The first vintage of Danzig ducats of John II Casimir, minted in the year of his coronation as king of the Polish-Lithuanian Commonwealth.
Ducat from the same pair of dies, from the Potocki collection, is in the collection of the National Museum in Warsaw.
Mint luster on both sides. Slightly bent.
Excellent ducat from the period of the reign of John II Casimir in rare dies variant, which will be appreciated by the most advanced collectors of royal Polish coins.
